Quote:
Originally Posted by Nesti
I'm aware of the apparent doppler shift (light's signature change within a field of acceleration), but that's not my argument. What's the benchmark going to be, ie how do you know if your results are going to be true if you have no frame of reference with which to measure against? Any data will be related to the observer's (measurement device's) frame ONLY. This is not a true measure. Any result will merely be an apparent measure for a single frame of reference only. And since we're talking about observations at a distance, a second observer would (perpendicular to the experiment say) would not be able to verify any result as it's frame of reference is unique.
The speed of light through space depends upon the properties of the light and the properties of the space, therefore two separate observations cannot ever verify the same event. This also includes the doppler frequency shift of light will be entirely depandant on the properties of two separate spaces and two separate photons...thus, two equally valid and separate realities...ergo the name Relativity.
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Mark,
The absolute frame of reference you are alluding to doesn't exist.
There is no benchmark, no absolute measurement that can be used as a basis for comparison.
Each observer is making a valid measurement in their own frame of reference. No observer is more right or wrong than any other observer.
Consider a wire suspended in the field of a magnet. If you move the wire in the field, a current is induced in the wire. Nothing more than classical electrodynamics at work.
If you move the magnet instead of the wire, a current is also induced, if you move the wire and magnet together there is no current. The point is that in different frames of reference, observers will measure a current or they don't. There is no preferred or standard reference.
The speed of gravitational waves is an invariant quality like the speed of light or the electron charge, it has the same value for all observers.
Regards
Steven